Synonyms:
- acquaintance,
- advocate,
- alter ego,
- backer,
- best friend,
- bosom friend,
- brother,
- casual acquaintance,
- close acquaintance,
- close friend,
- confidant,
- confidante,
- familiar,
- favorer,
- fellow,
- fellow creature,
- friend,
- inseparable friend,
- intimate,
- lover,
- neighbor,
- other self,
- partisan,
- pickup,
- repository,
- supporter,
- sympathizer,
- well-wisher