Yeah, presuming you're talking about the "lizard folk" who show up in Wanderer's Palace in 2.5, that's the Mamool Ja. They're originally from FFXI, and the FFXIV version of the Mamools have a decent relationship with the Five Races of Eorzea, particularly the Lominsans. However, as work dries up following the conclusion of rebuilding post-Calamity, some of the Mamools who came to Eorzea for work have had to turn to banditry to make ends meet; certain FATEs and quests in East and Upper La Noscea deal with this, and the set-up for WPHM seems to be the same - as WP is basically "unclaimed", a group of Mamools seems to be intent on setting up shop inside, much to the distress of the now-sane Tonberries. I imagine the lead-in quest and follow-up will deal with this in more detail.