Invisible Pillager can still hit the player

So I don't know how I can add the video for the proof for this bug but the bug is that a pillager is shooting me and being invisiable  This bug is heppaning in a realm soo ye if you want to see the proof add me on discord ItsCronzo#7097 Ok bye <3 Oh here is a link of the video http://www.mediafire.com/file/4twqazky1tigi5c/2020-09-13_11-12-25.mkv/file