Final answer:
The profession primarily responsible for providing spiritual guidance and performing religious ceremonies is a Priest.
Step-by-step explanation:
In relation to providing spiritual guidance and performing religious ceremonies, the profession primarily responsible for this task is a Priest. Priests serve as intermediaries between God (or the gods) and humans, and they have authority to set the rules associated with worship practice and control access to religious rites. They are full-time religious practitioners and are highly respected in society.