2. The term "alimony" is not used anymore, its called "spousal support" Anyhow, spousal support must be paid by the party making more money. It doesn't matter if he or she did not want the divorce. For example, the wife any cheat on the husband with another man and still ask for and get spousal support.
3. If the wife or husband refuses to show the child, you have no choice but to file for divorce and ask the court for an order allowing immediate visitation or custody of the child. If the other spouse is hiding the child, you can even ask the police for help.
4. You do not have to have an attorney, but its a difficult process, so hiring one is probably the best choice.