Sensitive Tooth, Small Bumps On Gum Trying To Figure Out What This Is On His Gums...?

Trying to figure out what this is on his gums...? - sensitive tooth, small bumps on gum

Who are trying to find any dental insurance, what it is against extreme measure. My girlfriend is brushing teeth in the morning and I noticed a small piece of purple / red gum above your upper teeth. He said that he was very sensitive and painful. He believes he has the pop, but he told me to wait. no idea what this could be executed before the dentist?