Psalms 6, 17, 22, 25, 27, 31, 35, 42, 43, 55, 56, 69, 73, 77, 88, 94, 102, 116, 118, 130, 140, 143.
These psalms apply to different situations, so you need to prayerfully prepare beforehand which ones you will share.
Be ready to stop whenever the person seems to tire.