5 Varied Islamic Questions

1-Should he follow the local people with regard to starting and ending the fast?
2-Should she tell her fiancé that she lost her virginity or should she cancel the engagement?
3-The prohibition on fasting in the second half of Sha'baan
4-If a person buys land in order to protect his wealth, does he have to pay zakah when one year has passed?
5-Ruling on praying by gestures because of a headache