Yes, there are legal ways to obtain that info.
You will receive notifications on Facebook if someone is talking about you.
no
Someone can find Facebook's data protection policy on the About section of the official Facebook website. There one can find details of their 'Data Use Policy'.
Facebook can only connect people who join facebook. If you do not have a facebook account, no one can "have" you on facebook.
How do you get someone to signup with facebook where noone can click on the name and find more?
The police can find out if they receive a complaint or a tip from someone if you are sending nudes.
Unfortunately, Facebook does not have that function.
Search them on google or facebook.
e harmony or find someone on facebook
Not legally
you shouldn't be posting your facebook on here ._.