My father please help Insulin Pump Alcoholic

My father has been an alcoholic for as long as I can remember .. He has type 2 diabetes since he was 20 years old ... He owns a insulin pump.. when he drink he's drink so much he cannot even remember that I walked into the house.. All night I hear the sounds of his pump going off and have to bring him orange juice that he refuses to drink and yell at me cause he so messed up from the drinks... Can he actually die from this? the pump is making weird noises Im really scared I love him so much This addiction really scares me... He drinks to the point he cant no more. The pump is making really weird sounds .. I know the normal low sound but the sound its making its scaring me ..Can he die.. What if he doesnt wake up.. What should I do? I worry so much that one morning he wont wake up