carer

Etymology

care + -er

noun

1. (UK, Ireland, Australia, New Zealand) Someone who regularly looks after another person, either as a job or often through family responsibilities.
   Have you thought of a job as a carer for disabled people?
   He retired early to be a full-time carer for his wife / husband.
   He said Robins had not been in trouble with the law before and had no previous convictions. Jail would have an adverse effect on her and her three children as she was the main carer. December 14, 2011, Steven Morris, “Devon woman jailed for 168 days for killing kitten in microwave”, in Guardian