The word "sheep" is a metaphor for helpless people whom a shepherd protects and leads. Alternate translation: "we who are your people, whom you protect and lead, will thank you" (See: [[rc://en/ta/man/translate/figs-metaphor]])
This represents the things that people will praise them the Lord for. Alternate translation: "continue to praise you for the things that you have done" (See: [[rc://en/ta/man/translate/figs-metonymy]])