A person may not, by use of insulting, threatening, or obscene language, interfere with or intimidate or seek to interfere with or intimidate another:

1. (1) in the exercise of the other person's lawful right to work or to enter on the performance of a lawful vocation; or
2. (2) from freely entering or leaving any premises.

Acts 1993, 73rd Leg., ch. 269, Sec. 1, eff. Sept. 1, 1993.