Generally they can just be called nursery workers
If you mean a plant nursery, then they are sometimes called gardners or master gardeners.
a daycare teacher or caregiver
Caregiver
Someone who works in a nursery, caring for children usually from the age of 0-4.
A person who works in a nursery is typically referred to as a nursery worker or nursery caregiver. Their primary responsibility is to care for and ensure the well-being of young children in a nursery setting.
A person who writes nursery rhymes is generally referred to as a nursery rhyme writer or a children's poet.
Tech Person
a slave
Employee
someone who works for a business
A mathematician
moofer
An employee.
Landscaper
A BarMan