Take crop an swing it all around you , he should not be permitted near you during feeding. Some horses just need to be kept farther back.

My Arab gelding USED to be extremely bad (he was a camp horse that really got whooped on by other horses) he still has to be back a foot or two otherwise I wolnt feed him.

"Blessed are the flexible for they shall not get bent out of shape"
"You can discipline and Discourage or you can Discipline and Encourage"
"Gentle in what you do , But firm in how you do it"