| assistant(noun, agent, replacement, representative, assistant) |
| authority(noun, order, job, trust, duty) |
| backup(noun, agent, substitute, replacement, representative) |
| delegation(noun, authority, job, duty, task) |
| deputation(noun, authority, job, duty, task) |
| empowerment(noun, order, authority, trust, authorization) |
| go-between(noun, person, agent, representative, operative) |
| intermediary(noun, agent, substitute, representative, operative) |
| procuration(noun, order, authority, trust, authorization) |
| understudy(noun, substitute, replacement, alternative, alternate) |
| dummy(noun, supply, extra, agent, substitute) |
| equivalent(supply, agent, substitute, replacement, backup) |
| imitation(noun, extra, substitute, auxiliary, supernumerary) |
| mandate(noun, order, authority, job, trust) |
| second(noun, extra, agent, substitute, replacement) |
| alternative(noun, extra, substitute, replacement, alternate) |
| ambassador(noun, agent, substitute, representative, assistant) |
| auxiliary(noun, extra, agent, replacement, alternative) |
| broker(noun, agent, substitute, representative, operative) |
| consignment(noun, authority, job, duty, task) |