Moonlighter

[moon-lahyt] /ˈmunˌlaɪt/

noun
1.
the light of the moon.
adjective
2.
pertaining to moonlight.
3.
illuminated by moonlight.
4.
occurring by moonlight, or at night.
verb (used without object), moonlighted, moonlighting.
5.
to work at an additional job after one’s regular, full-time employment, as at night.
/ˈmuːnˌlaɪt/
noun
1.
Also called moonshine. light from the sun received on earth after reflection by the moon
2.
(modifier) illuminated by the moon: a moonlight walk
3.
short for moonlight flit
verb -lights, -lighting, -lighted
4.
(intransitive) (informal) to work at a secondary job, esp at night, and often illegitimately
v.

“hold a second job, especially at night,” 1957 (implied in moonlighting), from moonlighter (1954), from the notion of working by the light of the moon; see moonlight (n.). Related: Moonlighting. Earlier the word had been used to mean “commit crimes at night” (1882).
n.

“light of the moon,” mid-14c., from moon (n.) + light (n.).

verb

To work at a job in addition to one’s regular job: a million guys moonlighting, holding a little back (1957+)