Whoever voluntarily obstructs any person so as to prevent that person from proceeding in any direction in which that person has right to proceed, is said wrongfully to restrain that person.
Exception: – The obstruction of a private way over land or water which a person in good faith believes himself to have lawful right to obstruct, is not an offence within the meaning of this section.
A obstructs a path along which Z has a right to pass. A not believing in good faith that he has a right to stop the path. Z is thereby prevented from passing. A wrongfully restrains Z.