help for, help不同。如：
Help for Old People.
If I am in trouble, please help me
help for 里的help 是名字，for 表示目的。 比如：
1.Decide if you need help for the problem. 2. Those enhancements will provide real help for producers.
你的这句If I am in trouble, please help me. help是及物动词使用方法。me是它的宾语。help 作动词时后面不需要for.