en_tn/act/13/03.md

General Information:

The words "they" and "their" refer to the other three leaders (verse 1), not including Barnabas and Saul, and they could include other believers.

laid their hands on these men

"laid their hands on these men whom God had set apart for his service." This act showed that the leaders agreed that the Holy Spirit had called Barnabas and Saul to do this work. (See: rc://en/ta/man/translate/translate-symaction)

sent them off

"sent those men off" or "sent those men off to do the work the Holy Spirit told them to do"