This study highlights the relevance of recognising and understanding psychosocial functioning in organisational diversity discourse to advance inclusion and belonging in the workplace. In this study, we focus on gender and ethnic organisational diversity. We draw from interviews with 30 women of African origin living and working in the UK. We identify their psychosocial functioning by examining their involvement in mentoring functions. Likewise, we use a womanism theoretical perspective to understand why women of African Origin value psychosocial functioning. Our contribution shows that psychosocial functioning identified through intentional mentoring and adapted within the work environment is a necessity for addressing present and future work challenges concerning diversity, inclusion and belonging.