Answer:
A follower of the religion, Wicca is called a Wiccan.
Wicca is a polythiestic religion, believing on a God and a Goddess. God and Goddess are two aspects of the nature.
Wiccans celebrate the cycles of nature. Wiccans hold religious observances on seasonal quarters, cross-quarters and Full-moons. Wiccans aspire to attune with the powers of nature, and connect with their Gods through these celebrations.
Wiccans acknowledge the magical power within every thing in nature. Human, being an intelligent creature, could make magic by controlling the will and mastering the power within.
Wiccans view sex as a sacred act of pleasure and perpetuation of species.