If a guys wear pearls, it probably means he is part of the LGBTQ community.
It could also be he wants to be part of a fashion trend or he just likes pearls.
More often than not, people belonging to the LGBTQ community wear pearl necklaces to show they are proud members.
Over time, this has become a trend, not only for people who actually belong to the group but also for people who want to show support to the LGBTQ community.
As an open member of the LGBTQ, Tim Miller had fans guessing his reason for wearing a pearl necklace was something related to who he identifies as.
But, in the case of Tim Miller, the political consultant wears pearl necklaces on TV, because he probably likes it.