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Requirements engineering (RE) comprises human-centric activities requiring collaboration between different software development team roles. While prior research highlights the impact of personality on software development, there is limited empirical evidence on how team members' personalities affect RE. To address this gap, we conducted an exploratory case study in an 11-member software development team, observing 28 team meetings, conducting follow-up interviews, and analyzing the personality profiles of team members using the IPIP-NEO 120 assessment tool developed based on the standard five-factor model of personality. Analysis of the observed meetings and follow-up interviews revealed the potential impacts of team members' diverse characteristics on RE-related activities, along with a set of strategies that may be helpful in overcoming challenges due to team members' diverse characteristics …