The phrase "looks after" refers to the act of taking care of someone or something. There are many different words that can be used as synonyms for this phrase, including "cares for", "nurtures", "attends to", "tends to", "guards", "watches over", "protects", "supervises", "manages", "takes charge of", "handles", "deals with", and "takes care of". Each of these words has a slightly different connotation, but all of them convey the general idea of taking responsibility for someone or something and making sure that they are safe and well-cared for. These synonyms can be used interchangeably depending on the context of the situation.