What is the meaning of Bother?

To annoy, to disturb, to irritate; to be troublesome to, to make trouble for.

To feel care or concern; to burden or inconvenience oneself out of concern.

To take the trouble, to trouble oneself (to do something).

To do something which is of negligible inconvenience.

Fuss, ado.

Trouble, inconvenience.

A mild expression of annoyance.

Source: wiktionary.org