Fetishism involves a person having a strong liking or need for a particular object or activity which gives them sexual pleasure and excitement.
fetishism in British English
or fetichism (ˈfɛtɪˌʃɪzəm, ˈfiː-)
noun
1.
a condition in which the handling of an inanimate object or a specific part of the body other than the sexual organs is a source of sexual satisfaction
2.
belief in or recourse to a fetish for magical purposes
3.
excessive attention or attachment to something
Derived forms
fetishist (ˈfetishist) or fetichist (ˈfetichist)
noun
fetishistic (ˌfetishˈistic) or fetichistic (ˌfetichˈistic)
adjective
fetishism in American English
(ˈfɛtɪʃˌɪzəm; ˈfitɪʃˌɪzəm)
noun
1.
worship of or belief in fetishes
2. Psychiatry
an abnormal condition in which erotic feelings are excited by a nonsexual object, as a foot, glove, etc.