Verb conjugation of "imperar" in Spanish

All people held signs with names on them and on one plate I saw name, of course misspelled. I went with the person to his oldtimer car. We drove to his cottage and I was surprised about the nice reception.
He advised against traveling in this region at night as they were many violent robberies and one should return before dusk. He told me that he himself got robbed about two months earlier just here.
There were heaps of people in this area and we really had to struggle to get through the crowds. We drank a few beers and a couple glasses of wine and being totally tipsy Lili decided she needed to return.