If you simply find aesthetic pleasure in looking at feet (as, for example, I do when looking at Art Deco architecture) you're not a fetishist and you don't need help.
If you simply find yourself sexually aroused by looking at feet then, by some definitions, you might well be a 'fetishist' but there's no reason to think that you 'need help'. (Most people probably have one or more fetishes).
If you only find yourself sexually aroused by looking at feet (or by thinking about interacting with them in some way) and not by 'normal' sexual thoughts [ if 'normal' can be given any meaning here] then you only 'need help' if you you actually think that you want it. (If you're happy to go through life being 'turned on' by nothing other than feet, you don't need any form of help. 'Help' is only required if you're unhappy with your limited sexual interests).
It's only if your liking for feet is at such a level that you might, for example, attack someone to see their feet that you definitely 'need help'.
You only need to look in window of any photographer's studio to see that bare feet are seen by many people to be attractive. Full-length pictures of children, for example commonly depict them with bare feet. It doesn't mean that the photographer (or the the children's parents) are 'in need of help'!