You do not have to give up your current job in order to run for office. However, running for office can be very time consuming, so it might not be possible to do it while also working at another job.
No, his current job is United States Senator.
US senator
senator
He is a US Senator.
Yes. As an example, Senator McCain will continue his term as a US Senator and Governor Palin will continue her duties as Governor of Alaska
Barack Obama was a US Senator from Illinois but is not currently a member of Congress.
To give the young candidate the Seal of the Holy Spirit.
A good candidate for a job is one who fits the "job specification".
McCain is the senior United States Senator of Arizona and the presidential nominee for the Republican party.
Bernie Sanders is a United States Senator serving Vermont. He has been in office since 2007.
Yes, it is necessary to mention your current job profile in your resume when you are applying for the second job. It provides information regarding your current position, current salary, perks and allowances & helps in getting a job with an increased pay. Regarding the condition of safety, yes it is safe from both candidate's and company's point of view.
That man was a good candidate for the job because he was well qualified.