What are the characteristics of a true friend to hamlet Act 3?

In Act 3 of "Hamlet," a true friend is characterized by loyalty, honesty, and a willingness to provide support during difficult times. Horatio exemplifies this by standing by Hamlet and offering genuine advice, demonstrating his trustworthiness and concern for Hamlet's well-being. He listens without judgment and helps Hamlet devise the plan to confirm King Claudius's guilt, showcasing the qualities of a steadfast ally. A true friend in this context is someone who not only shares in the protagonist's struggles but also encourages him to seek truth and justice.