Which of the following is a primary duty of a barrister in relation to their clients?

A primary duty of a barrister in relation to their clients is to maintain confidentiality. This duty is fundamental in the legal profession, reflecting the trust that clients place in their barristers. Maintaining confidentiality ensures that any information disclosed by the client, whether during consultations or throughout the legal process, is protected. This principle is crucial as it fosters open and honest communication, allowing clients to provide all necessary information without the fear that their secrets or strategic discussions could be revealed to outsiders or adversaries.

Confidentiality is supported by legal ethical standards and obligations that govern the conduct of barristers. Breaching this duty can have serious repercussions, not only for the client's case but also for the barrister's professional standing and career.

The other options refer to duties or roles that can vary depending on the circumstance or are generally not considered primary duties in the context of a barrister's obligations to their clients. For instance, providing legal advice on tax matters, while potentially relevant under specific situations, is not universally applicable to all barristers and may not align with their specialty. Participating in plea bargaining is more relevant to solicitors who handle negotiations directly with clients or prosecutors. Conducting the trial personally may be a duty for a barrister during a specific case but