There are a couple different things at play here.
The title directly below your name can be any of the following:
Lurker
1st Like
Experimental Member
Sexy Member
Expert Member
Cherished Member
Loved Member
Admired Member
Legendary Member
Superior Member
Worshiped Member
Mythical Member
LPSG Legend
These titles are loosely based on number of likes using the following formula (which probably has been updated but I can’t find it):
0 to 15 Likes = New Member
15 to 100 likes = Member
100 to 1000 likes = Well Liked Member
5000 to 10000 likes = Loved Member
10,000+ Legendary
I believe there may be a variable based on how recently a member is online as well, but I’m not positive.