body artist
/ˈbɒdɪ ˌɑːtɪst/noun
1A person who decorates or ornaments others' bodies, especially professionally; a practitioner of body art, especially a tattooist.
2An artist who uses his or her body as a medium; a performer or creator of body art.
Origin
1960s; earliest use found in The Washington Post. From body + artist, after body art.