Samara: Bore Morinth or fail to attract her in the club Thane: Lose track of the Turian politician while tailing him Here are the situations that will make you fail to earn their loyalty: These are the ones with Tali, Zaeed, Samara, and Thane. There's a caveat, however: FOUR missions can be failed. Make sure that you accomplish ALL loyalty missions in accordance to what your squadmates want, and you will earn their loyalty. You can see these in the Journal page once they're unlocked: Bu t some people will still miss out on these, so here's a list of ALL the loyalty missions, including the ones for the DLC characters Kasumi and Zaeed, as detailed by IGN.