Strong's #834: 'aher (pronounced ash-er')
 a primitive relative pronoun (of every gender and number); who, which, what, that; also (as an adverb and a conjunction) when, where, how, because, in order that, etc.:--X after, X alike, as (soon as), because, X every, for, + forasmuch, + from whence, + how(-soever), X if, (so) that ((thing) which, wherein), X though, + until, + whatsoever, when, where (+ -as, -in, -of, -on, -soever, -with), which, whilst, + whither(- soever), who(-m, -soever, -se). As it is indeclinable, it is often accompanied by the personal pronoun expletively, used to show the connection.
Brown-Driver-Briggs Hebrew Lexicon:
 ׁ 
  'ăsher 
 
 1) (relative participle)
 
 1a) which, who
 1b) that which
 
 2) (conjunction)
 
 2a) that (in object clause)
 2b) when
 2c) since
 2d) as
 2e) conditional if
 
  Part of Speech: relative particle
 
 conjunction
 
Relation: a primitive relative pronoun (of every gender and number)
Usage:
This word is used 5448 times:
2 Samuel 14:22: "in thy sight, my lord, O king,  in that the king hath fulfilled the request"
2 Samuel 14:26: "his head, (for it was at every year's end  that"
2 Samuel 15:2: "of the gate: so, that when any man  that had a controversy came"
2 Samuel 15:4: "in the land, man  which hath any suit or cause might come"
2 Samuel 15:6: "Absalom to all Israel  that came to the king for judgment:"
2 Samuel 15:7: "let me go and pay my vow,  which I have vowed unto the LORD, in Hebron."
2 Samuel 15:14: "said unto all his servants  that were with Arise, and let us flee;"
2 Samuel 15:15: "the king, Behold,  are ready to do whatsoever my lord the king shall appoint."
2 Samuel 15:18: "the Gittites, six hundred men  which came after him from Gath,"
2 Samuel 15:20: "with go whither  whither I may, return"
2 Samuel 15:21: "the king liveth, surely  in what place my lord the king"
2 Samuel 15:22: "his men, and all the little ones  that were with"
2 Samuel 15:26: "delight in thee; behold,  to me as seemeth good"
2 Samuel 15:30: "barefoot: and all the people  that was with him covered every man his head,"
2 Samuel 15:32: "was come to the top  of the mount, where God, behold, Hushai"
2 Samuel 15:35: "that what thing  soever thou shalt hear out of the king's house,"
2 Samuel 15:36: "unto me every thing  that ye can hear."
2 Samuel 16:4: "to Ziba, Behold, thine are all  that And Ziba said, I humbly beseech"
2 Samuel 16:8: "the blood of the house  in whose stead thou hast reigned; and the LORD hath delivered"
2 Samuel 16:11: "Behold, my son,  which came forth of my bowels, seeketh"
2 Samuel 16:14: "And the king, and all the people  that were with him, came and refreshed themselves"
2 Samuel 16:16: "And it came to pass,  when Hushai the Archite, David's friend, unto"
2 Samuel 16:18: "Absalom, Nay; but  whom the LORD, and this people, and all"
2 Samuel 16:19: "should I not serve in the presence  as I have served in thy father's presence, so"
2 Samuel 16:21: "in unto concubines,  which he hath left to keep the house; and all"
2 Samuel 16:21: "thy father: then shall the hands of all  that are with thee be strong."
2 Samuel 16:23: "And the counsel of Ahithophel,  which he counseled in those days, if a man"
2 Samuel 16:23: "he counseled in those days,  was as if a man had inquired at the oracle of God:"
2 Samuel 17:2: "and all the people  that are with him shall flee; and I will smite"
2 Samuel 17:3: "the people unto thee: the man  whom seekest is as if all returned:"
2 Samuel 17:7: "unto Absalom, The counsel  that hath given is not good"
2 Samuel 17:9: "it will say, There is a slaughter among the people  that follow Absalom."
2 Samuel 17:10: "And he also that is valiant,  whose heart is as the heart"
2 Samuel 17:10: "Israel knoweth that thy father is a mighty man,  and they which be with him are valiant"
2 Samuel 17:11: "thee, from Dan even to Beer-sheba, as the sand  that is by the sea for multitude;"
2 Samuel 17:12: "upon him in some place  where he shall be found, upon"
2 Samuel 17:12: "where he shall be found, upon  him as the dew falleth on"
2 Samuel 17:12: "on the ground: and of him and of all the men  that are with him there shall not be left"
2 Samuel 17:13: "and we will draw it into the river, until  until there be not one small stone"
2 Samuel 17:16: "be swallowed up, and all the people  that are with"
2 Samuel 17:22: "arose, and all the people  that were with Jordan:"
2 Samuel 17:22: "there lacked not one  of them that was not gone over Jordan."
2 Samuel 17:25: "whose name was Ithra an Israelite,  that went in to Abigail the daughter"
2 Samuel 17:29: "of kine, for David,  that were with him, to eat: for they said,"
2 Samuel 18:1: "numbered the people  that were with captains of thousands"
2 Samuel 18:4: "And the king said unto  them, What seemeth you best And the king"
2 Samuel 18:9: "the heaven and the earth; and the mule  that was under him went away."
2 Samuel 18:18: "and reared up for himself a pillar,  which is in the king's dale: for he said,"
2 Samuel 18:21: "Go tell the king  what thou hast seen. And Cushi bowed himself unto Joab,"
2 Samuel 18:28: "Blessed be the LORD thy God,  which hath delivered up the men that"