Purdah

Non-mahram approaching a group of ladies

Q: If a female is among a group of other females and a non mahram male approaches the group of females to speak to the other females she is in the group with, is it enough for this particular female to lower her gaze and refrain from useless chatter with the male while still standing in the group or is she supposed to leave the gathering when the male approaches?

Exposing one's satr in a room wherein there is an Islamic calendar

Q: I always put Islamic books away and don't leave them uncovered incase they get disrespected. I would like to know if an Islamic calendar with no Quraanic Ayahs or Hadeeths are on there, and it just says "Islamic calendar" and has dates are hanging in ones bedroom and if one dresses really immodest like nude and seminude etc. is it disrespectful? And what is the ruling if one thought that it might be disrespectful but ignored the thought and continued to leave the calendar hanging?

Giving non-mahram females a lift

Q: I have three questions:

1. An apa teaching in a madressah, sometimes she doesn’t have a lift so a Moulana picks her up with his small daughter in the car. Is this permissible?

2. From my work to the train station is approximately 1km, the cleaners ask me to drop them off

a) If there are 3 females and only and me is this permissible?

b) If a male staff member accompanies me?

3. In my office there is a like window separating two section, the section is regarded as the buyers office and my office is regarded as the computer room, May Allah make my magfirtat we have 3 males and one female sometimes the other 2 males go out, is it permissible if someone is still in the buyers office or is it necessary for me to leave the office till they return, are the offices regarded as one since there is no door or hindrance to go from the buyers office to the computer room?