| playfellow |
| protector(noun, guide, associate, friend, mate) |
| reciprocal(noun, companion, friend, contemporary, acquaintance) |
| representative(noun, help, associate, supporter, subordinate) |
| right-hand person(noun, expression, help, aid, associate) |
| roomie(noun, guide, associate, friend, mate) |
| safeguard(noun, guide, associate, friend, mate) |
| schoolfellow |
| secretary(help, associate, subordinate, representative, assistant) |
| servant(noun, help, aid, supporter, subordinate) |
| shipmate |
| sibling(noun, associate) |
| side partner |
| sister(noun, friend) |
| soul mate(noun, expression, associate, companion, ally) |
| subordinate(noun, help, aid, associate, supporter) |
| temp(help, aid, associate, representative, assistant) |
| temporary worker(expression, associate, representative, assistant, attendant) |
| twin(noun, equal, companion, friend, contemporary) |
| wife(noun, companion, spouse, husband) |