A naturist is someone who could be considered a wildlife lover.
A lover of beauty is called an aesthete.
A freedom lover is often called a "libertarian" or an "advocate for liberty".
A married man's lover outside of marriage is called a mistress. There is not such a clear cut term for a woman's lover outside of marriage. He may simply be called her lover, he could also be called her boy toy.
A lover of animals or a person opposed to animal cruelty is called a zoophile.
A lepidoptophile
A person who has a Passion for nature is called a nature lover. Also he or she is called a GREEN lover! SPP.
anglophile
film buff
Inspector
A rustic lover is often referred to as a person who appreciates or enjoys rustic style or decor.
admirer
A man can be two things, the equivalent of a mistress for a man is a lover, or if he wants to get gifts and moneyy for his services he can be called a giggolo ANSWER: Love we call them lover, or a part time lover.