en_tn_lite_do_not_use/gal/02/09.md

who had a reputation as pillars

Pillars are posts that support a building. Here it refers to important leaders. Alternate translation: "who were known to be important leaders" or "who were known to be important leaders of the church"

recognized the grace that had been given to me

"recognized the grace that God had given to me" or "recognized that God had been kind to me"

gave the right hand of fellowship to Barnabas and me

Grasping and shaking the right hand was a symbol of fellowship. Alternate translation: "welcomed Barnabas and me as fellow workers" or "welcomed Barnabas and me with honor"