what is a giglo or ziglo and what they do?

Answer 1

I think the word you're referring to is "gigolo." Here's the defintion (courtesy of dictionary.com):

gig·o·lo [noun]
1.a man living off the earnings or gifts of a woman, esp. a younger man supported by an older woman in return for his sexual attentions and companionship.
2.a male professional dancing partner or escort.

Answer 2

Well explained above.