A nurse?
Actually I believe they're called porters.
An Orderly
A person who wanders around with no home is commonly referred to as a nomad or a vagabond.
You'd simply call them by their name if you knew them or some other general term Mr. Mrs. Ms. whatever you use for other people. Just because they are in a wheelchair doesn't mean you have to refer to them as "wheelchair person" Or whatever. They are still people.
I suppose you call him a chauffeur?
ramp
A person can find a wheelchair hoist at Spinlife. When in the site, a person should go to the Wheelchair Lift Store, and pick out the lift that's appropriate for them.
virgin mobile
Users toxic
a person who studies people but not an psychologist
A person who makes people happy can be referred to as a joy giver, happiness spreader, or simply a positive influence.
Cosmopolitan
A person who laughs at others is typically referred to as a bully or a mocker. Their behavior can be hurtful and can negatively impact the well-being of those they are mocking.
Mexican