what are the elements to the offenses of obstruction and disoderly conduct in georgia?

16-10-24. Obstructing or hindering law enforcement officers (a) Except as otherwise provided in subsection (b) of this Code section, a person who knowingly and willfully obstructs or hinders any law enforcement officer in the lawful discharge of his official duties is guilty of a misdemeanor.(b) Whoever knowingly and willfully resists, obstructs, or opposes any law enforcement officer, prison guard, correctional officer, probation supervisor, parole supervisor, or conservation ranger in the lawful discharge of his official duties by offering or doing violence to the person of such officer or legally authorized person is guilty of a felony and shall, upon conviction thereof, be punished by imprisonment for not less than one nor more than five years.   16-11-39. Disorderly conduct (a) A person commits the offense of disorderly conduct when such person commits any of the following: (1) Acts in a violent or tumultuous manner toward another person whereby such person is placed in reasonable fear of the safety of such person's life, limb, or health; (2) Acts in a violent or tumultuous manner toward another person whereby the property of such person is placed in danger of being damaged or destroyed; (3) Without provocation, uses to or of another person in such other person's presence, opprobrious or abusive words which by their very utterance tend to incite to an immediate breach of the peace, that is to say, words which as a matter of common knowledge and under ordinary circumstances will, when used to or of another person in such other person's presence, naturally tend to provoke violent resentment, that is, words commonly called "fighting words"; or (4) Without provocation, uses obscene and vulgar or profane language in the presence of or by telephone to a person under the age of 14 years which threatens an immediate breach of the peace.(b) Any person who commits the offense of disorderly conduct shall be guilty of a misdemeanor.(c) This Code section shall not be deemed or construed to affect or limit the powers of counties or municipal corporations to adopt ordinances or resolutions prohibiting disorderly conduct within their respective limits.