downplayer

Noun

One who, or that which, downplays.

Japanese Meaning

物事の重要性や価値を意図的に低く評価・表現する人や物

Don't be a downplayer when your friend needs support.

友達が支えを必要としているときに、物事を軽視するような人にならないでください。

Sense（1）

One who, or that which, downplays.

So much for the claim of radiation downplayers about the absolute risk method.

downplayers

（ plural ）