Dying but not Feeding

I die a lot.
It's obvious in my stats, and it's not somethings I hide.

But the most annoying thing, is calling me a feeder when I die.
Calling me a feeder, when I step between that ult and you-so that I, as a support, take the hit and die instead of you, the ADC. Calling me a feeder when I see our minions are almost all dead and you're still trying for enemy's tower; and I tower dive so that I die and you live. Calling me a feeder whenever I sacrifice myself for you.

So...how do I defend myself? It's really hard to explain what I said above to people in-game if they're tilted-and justifying myself is hard when they're salty. So...how do I keep from being reported as intentional feeding, or anything as such?

Actually, the most annoying thing is when you're and ADC keeps running away when you're trying to give use your passive.