The teacher's union has found an unlikely 'ally' in the company. [=the company supports the position that the union has taken and this was not expected]
He'll even admit that he's hoping to 'ally' himself 'to' a wealthy family by marriage.
countries 'allying' themselves 'with' the EU
(..) The Priory failed in their sacred charge. So, what choice did I have? I sought out the enemy. I persuaded them, the Council of Shadows, that I was an ally. I even asked them for money so they would never suspect me. Rector, I made them call me. "Teacher." -Why don't you and l-- (..)2006 The Da Vinci Code