Idiosyncratic belief systems which are shared by only a few adherents are likely to be regarded as delusional. Belief systems which may be just as irrational but which are shared by millions are called world religions.
The life of action need not be renounced. If you meditate for an hour or two every day you can then carry on with your duties. If you meditate in the right manner then the current of mind induced will continue to flow even in the midst of your work.