resigned on his own seenit
You can give whatever reason you would like for this question. You could say the job looked challenging or interesting. You could say you like the field that the job is in. Or, even that you have experience doing this job.
If you do not wish to answer honestly, then say something like "you wanted to develop your career and felt the change of job was necessary to your developmental experience".
no
Bad tips
Just tell them the reason why you want to do so.
A delicate way to phrase this would be, my former employer no longer has need of my services. You could also just say that the job has ended, without explaining the reason why the job ended.
An employer cannot say you were terminated, but they can say you are not eligible for rehire. Texas is an 'at will' state and can fire you for any reason.
You can try to put the negative reason in the best possible light. You do not really need to tell anyone why you left a job. You can say you left to try other options or that you wanted to move on to different opportunities.
I would say, I was challenging myself.
reason for having the manager participate as a job analyst?
You can say that the boss hired you for the wrong job. Emphasize that the new job for which you are applying matches your skills better.
I would say that it all depends on the type of boss and the reason they left for other employment. You might say, "There is a God!", or you may ask them why and tell them you are sorry to see them leave.