訓 つかさど(る) ・ 音 シ
Sino-Vietnamese: ti, tư
Its Sino-Vietnamese reading is ti or tư, as in công ti (company) and tư pháp (judiciary): to be in charge.
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
相撲の行司は大切な役目だ。 (すもうのぎょうじはたいせつなやくめだ)
The sumo referee has an important role.