have (someone or something) about
To keep someone or something nearby or physically within one's reach. Your mother will need to have you about to help as she makes Thanksgiving dinner. I always have a glass of water about when I sleep, because I hate waking up thirsty.
have someone or something about
and have someone or something aroundto have someone or something nearby habitually. I really don't want to have all those people about all the time. It's good to have a fire extinguisher around.