How Do I Assert Myself With The Cleaner At Work Who Wants Me To Do Clothes Shopping For Her?

I’m temping as a secretary and I have an office to myself. I’ve only been at my post for 5 weeks and I’m always smiley and friendly. The cleaner and I have a general chat for a minute or two each day and she tells me how long she’s been in the country from Nigeria, etc. Anyway, one afternoon I was eating a large packet of luxury mixed nuts and she caught her eye on them, so I gave her half the packet and she thanked me. When I went shopping the following evening, I decided to buy her a whole packet and brought them in for her, as she liked them so much. The thing is, she comes into my office uses the phone here, and takes handfuls of rubber bands and labels, because I’m on my own. When we discussed our weekend, I said I was going into Primark and she asked me if I could go in and get her a dress for her 4 year old niece and, her words, “I’ll give you the money on Monday”. I don’t feel right about this at all and just told her I’ll try. What should I say? Also, every time I open my handbag and get out a chewing gum for example or anything for that matter, she looks as if she wants one, then she asked me the other day if she could use my handcream. I’m not loaded with money.