“Grip / Hold / Mould Sushi / Bribe” in Japanese is 握, read aku, nigi (あく, にぎ). It is a Jōyō kanji taught in Japanese secondary school (junior & senior high) — the 高手 · Master tier beyond the grade 1–6 Kyōiku set, and appears in words such as 握手 (handshake).
What does 握 mean?
Same sound, different character — the classic trap. Compare them side by side: