It's your turn to give a pep talk to the dispirited miners.
A pep talk is a speech which is intended to encourage someone to make more effort or feel more confident. Powell spent the day giving pep talks to the troops. A speech of exhortation, as to a team or staff, meant to instill enthusiasm or bolster morale. a short speech intended to encourage someone to work harder, win a game etc
encouragement speech, conversation which helps raise morale and strengthens self-confidence
a speech of exhortation attempting to instill enthusiasm and determination in a team or staff