Helper, Fellow-helper - Vine's Expository Dictionary of New Testament Words
Helper, Fellow-helper
[ 1,,G998, boethos ]an adjective, akin to A, No. 2, and B, No. 4, under HELP, signifying helping," is used as a noun in Hebrews 13:6, of God as the helper of His saints.
[ 2,,G4904, sunergos ]
an adjective, akin to B, No. 7, under HELP, "a fellow worker," is translated "helper" in the AV of Romans 16:3, Romans 16:9, RV, "fellow worker;" in 2 Corinthians 1:24, AV and RV, "helper;" in 2 Corinthians 8:23, AV, "fellow helper," RV, "fellow worker;" so the plural in 3 John 1:8. See CAMPANION, LABORER, etc.