A member of the same team, especially in sports or a group work context.

A person who works closely with another; a colleague or partner in a non-sporting context.

एक सहकर्मी या साथी

English Usage: "She collaborated with her teammate on the presentation."

Hindi Usage: "उसने प्रस्तुति पर अपने सहकर्मी के साथ मिलकर काम किया।"