窃用 せつよう using without permission; using information obtained in the course of one's duties n vs obsc Advanced ➥
用足し ようたし ようたつ running errands; going on errands n vs (transaction of) business; going about one's business n vs doing one's business (i.e. at the toilet); going to the washroom n vs purveying; purveyor n vs Advanced ➥