Strong's #4243: presbeuo (pronounced pres-byoo'-o)

from the base of 4245; to be a senior, i.e. (by implication) act as a representative (figuratively, preacher):--be an ambassador.

Thayer's Greek Lexicon:

́

presbeuō

1) to be older, prior by birth or in age

2) to be an ambassador, act as an ambassador

Part of Speech: verb

Relation: from the base of G4245

Citing in TDNT: 6:681, 931

Usage:

This word is used 2 times:

 

2 Corinthians 5:20: "Now then we are ambassadors for Christ, as though God did beseech you by"
Ephesians 6:20: "For which I am an ambassador in bonds: that therein"