Do not act as a master over the people ... Instead, be an example

Elders are to lead by example and not act toward the people as a harsh master would toward his servants. (See: rc://en/ta/man/jit/figs-metaphor)

who are in your care

You can translate this using a verbal phrase. Alternate translation: "whom God has placed in your care" (See: rc://en/ta/man/jit/figs-abstractnouns)