A person who takes care of a dorm and its students is typically called a resident assistant (RA) or resident advisor. They are responsible for assisting students, promoting a positive living environment, and addressing any issues that arise within the dormitory. RAs often serve as a resource for students, providing support and guidance on various matters.
A guardian takes care of his/her ward.
They are called a Menagerie Man.
a tree doctor
It is called a social worker
The person who takes care of pets would be called a veterinarian (a.k.a vet)
a stablehand
The Purser and his staff, including Stewards
A person who takes care of fish is called an "aquarist" or a "fishkeeper." They are responsible for maintaining the health and well-being of the fish in their care by ensuring they have a suitable environment, feeding them properly, and monitoring their behavior.
A person who minds sheep is called a shepherd - which comes from sheep herder.A person who takes care of sheep - is a shepherd.
General name is Caregiver, or certifications HHA, STNA, CNA.
A person who takes care of the horses' feet and shoes them is called a farrier. The person is a farrier by occupation.
A person who takes care of building a school is typically referred to as a contractor.