[1.7.2]Making armor wore when player name is enlist

Hello everyone i need help i know this sound basic but ive stop doing java for almst a year. Anyways

im trying to make armor work on picked players only and by doing it it must be have its name to be wore

here is my code anyways

@Override
public String getArmorTexture(ItemStack stack, Entity entity, int slot,
		String type) {
	for(int i = 0; i < Name.dragoonHelm.length; i++)
	if(entity instanceof EntityPlayer)
	{	
		EntityPlayer player = (EntityPlayer)entity;

			if (stack.getItem() == MHFCRegItem.mhfcitemdragoonhelm
			|| stack.getItem() == MHFCRegItem.mhfcitemdragoonchest
			|| stack.getItem() == MHFCRegItem.mhfcitemdragoonboots) {
				if(player.getDisplayName() == Name.dragoonHelm[i])
					return MHFCReference.armor_dragoon_tex1;
	}else return  "mhfc:textures/armor/null.png";
			if (stack.getItem() == MHFCRegItem.mhfcitemdragoonlegs) {
				if(player.getDisplayName() == Name.dragoonHelm[i])
					return MHFCReference.armor_dragoon_tex2;
	}else return  "mhfc:textures/armor/null.png";
	}
	return null;
}