The following persons shall be disqualified to serve as jurors in any particular action:
- 1. Witnesses in the action.
- 2. Persons interested directly or indirectly in the matter under investigation.
- 3. Persons related by consanguinity or affinity within the fourth degree to either of the parties to the action or proceedings.
- 4. Persons biased or prejudiced in favor of or against either of the parties.