You have nothing to lose by simply asking. But a blank friend request gets denied. Increase your odds:
To summarize everything:
: Many "free" sites force users through endless surveys to "unlock" the profile data. These surveys are designed to generate advertising revenue for the scammer and collect your personal details (email, phone number) for data brokers. Legitimate Information Access (Non-Violating) facebook private profile viewer new free
Facebook privacy is not perfect. Even if a profile is "Private," the content they are tagged in on public pages, groups, or friends' profiles often leaks information. You have nothing to lose by simply asking