(idol fandom) being a fan of all members of a group

(art) wooden box for standing on or for assembling a stage; soapbox

principal or headteacher of a school

favorable, promising

census

one's true value/worth; what one is really made of

mercury, quicksilver (the metal)

silver (lustrous, white, metallic element; symbol Ag) / Short for 銀色 (gin'iro): silvery, silver-colored / (sports, etc.) Short for 銀メダル (gin medaru): a silver medal

(chemistry) mercury; quicksilver

a silver bullet (straightforward solution perceived to have extreme effectiveness or miraculous results)