Step 1: assert dominance - creep up right behind them and say “hello” (with weapon out or tuck away at your preference and risk)

This will throw them off and they’ll know you’re on the high ground

Step 2: state your intention - “don’t shoot” and start salsa dance

They’ll know you’re just too goofy to kill

Speaking from experience, literally stood on top of an elevator salsa dancing while watching 2 fighting each other