Unity Executive Assistant interview questions

I had 4 rounds of interviews over a period of 2 weeks. I met everyone I would be supporting except one individual. I was offered the job & turned down others to accept. On my third day in the office the individual I hadn’t met during interviews said my job was at risk. I was let go one my 1 week mark. Clearly that person didn’t like me. I turned down 2 other positions for this role and I still haven’t found full time work and it’s been 2 months. This situation screwed me. I may lose my apartment and I’m now behind on everything.