Translation of "Loitering" in Japanese

Just where have you been loitering around without your attendants?

付き人も連れずどこほっつき歩いてんですか。

I felt uncomfortable with those kids loitering around in the train.

電車の中を子供がウロチョロしていて不愉快だった。

It's not as if an emissary from outer space will have slipped into school uniform and be loitering around seeking a partner.

別に制服着込んだ外宇宙の使者が、伴侶を求めて徘徊してるわけでもなかろうに。