[がかり, gakari] (suf) (掛 is often used for government offices, railways, etc.) (See 係・かかり・1, 掛かり・かかり・5) charge; duty; person in charge; official; clerk#3956
[かかる, kakaru] (v5r, vi) (1) (See 掛かる・かかる) to be the work of; to be the result of; to be done by; (2) to concern; to affect; to involve; to relate to#7563
[かかずらう, kakazurau] (v5u, vi) (1) (uk) to be mixed up with; to have a connection with (a troublesome matter); (2) to be a stickler about; to be finicky about (some triviality); (3) to take part (in some work); to hang about; to bother (someone)