



Derrick, these issues are quite common - what happens is that either the skin pores become blocked or you can get a hair follicle that becomes ingrown. These then become infected and that is what causes the bump.
You need to do two things: pay greater attention to personal hygiene in your entire groin area as sweat and warmth can cause problems for the skin. So, shower more frequently, you may also need to look at clothing that does not cause sweat to build up in your groin region.
To address the lump itself: get some liquid (not cream versions) antiseptic (TCP if you are in the UK) and dab a small amount directly onto the lumps 4 or 5 times a day. Once the lump begins to subside use the liquid antiseptic 2 or 3 times a day - when it has almost healed apply the liquid 1 or 2 times a day …
Apply some coconut oil it will be faded in few days nothing to worry but limit masturbation twice a week is fine