A person or animal with whom one spends a lot of time or with whom one travels.

A device or application that accompanies or supplements another.

सहायक उपकरण

English Usage: The companion app enhances the gaming experience.

Hindi Usage: सहायक ऐप गेमिंग अनुभव को बढ़ाता है।

To accompany or associate with.

साथ देना

English Usage: He will companion her during the hike.

Hindi Usage: वह हाइक के दौरान उसका साथ देगा।