If you had a client whose gender and/or sexual orientation was unfamiliar to you

If you had a client whose gender and/or sexual orientation was unfamiliar to you, what questions would you ask the client to improve your understanding and help them feel supported? What other steps would you take to help raise your own awareness of the client’s identity and needs?
Reference: Sue, D. W., Rasheed, M. N., & Rasheed, J. M. (2016). Multicultural social work practice: A competency-based approach to diversity and social justice (2nd ed.). Hoboken, NJ: Wiley. ISBN-13: 9781118536100.