Being a 3rd Degree Knight of Columbus signifies a commitment to the principles and values of the Knights of Columbus, a global Catholic fraternal service organization. The degrees in the Knights of Columbus represent different stages of commitment and understanding of the organization's principles.

1. Core Principles: The 3rd Degree focuses on the principle of fraternity, which emphasizes the bond of brotherhood among members. This degree builds upon the principles of charity and unity, which are the focus of the 1st and 2nd Degrees, respectively.

2. Commitment: A 3rd Degree Knight is fully initiated into the Knights of Columbus and is expected to exemplify and promote the values of charity, unity, and fraternity in his daily life. This includes participating in charitable activities, supporting fellow Knights, and contributing to the welfare of the community and the Church.

3. Ceremonial and Ritual: The 3rd Degree ceremony is a significant event that involves a formal initiation and exemplification ceremony. This ceremony often includes symbolic elements and teachings that reinforce the importance of fraternity and the other principles of the Order.

4. Participation and Leadership: Achieving the 3rd Degree opens up more opportunities for involvement within the organization. Members can take on leadership roles within their local councils and are eligible to participate in more activities and programs. They may also serve as delegates to state and national conventions.

5. Further Advancement: While the 3rd Degree is a significant milestone, members can further advance to the 4th Degree, which focuses on the principle of patriotism. The 4th Degree Knights are often involved in civic activities and ceremonies that honor the Church and the nation.

In summary, being a 3rd Degree Knight of Columbus means being deeply committed to the values of charity, unity, and fraternity, actively participating in the organization's activities, and supporting the mission of the Knights of Columbus and the Catholic Church.