repairer

transitive verb

1. to put back in good condition after damage, decay, etc.; mend; fix
2. to renew; restore; revive: to repair one's health
3. to amend; set right; remedy: to repair a mistake
4. to make amends for; make up or compensate for (a wrong, injury, etc.)

noun

1. the act, process, or work of repairing
2. an instance of repairing or work done in repairing
3. the state of being repaired, or fit for use: a car kept in repair
4. state with respect to being repaired: a house in bad repair