Strong's #3316: mesites (pronounced mes-ee'-tace)
from 3319; a go-between, i.e. (simply) an internunciator, or (by implication) a reconciler (intercessor):--mediator.
Thayer's Greek Lexicon:
1) one who intervenes between two, either in order to make or restore peace and friendship, or form a compact, or for ratifying a covenant
2) a medium of communication, arbitrator
Part of Speech: noun masculine
Relation: from G3319
Citing in TDNT: 4:598, 585
This word is used 6 times:
Galatians 3:19: "by angels in the hand of a mediator."
Galatians 3:20: "Now a mediator is not a mediator of one, but God is"
1 Timothy 2:5: "God, and one mediator between God and men, the man"
Hebrews 8:6: "by how much also he is the mediator of a better covenant, which was established"
Hebrews 9:15: "And for this cause he is the mediator of the new testament, that"
Hebrews 12:24: "And to Jesus the mediator of the new covenant, and to the blood of sprinkling,"