Final answer:
The role of a sign language interpreter is to accurately convey the message of the Deaf individual without adding personal opinions. Doing so is outside professional boundaries and breaches interpreting ethics.
Step-by-step explanation:
The question involves the professional conduct of a sign language interpreter during a conversation with a person who is Deaf. It is considered outside of professional boundaries for a sign language interpreter to add their own opinion when interpreting. Interpreters are expected to convey messages faithfully, maintaining the content and spirit of the speaker without inserting personal opinions, which could lead to miscommunication and breach of ethics.