Temperamental people are usually rather proud. That makes them very susceptible to praise, Use it liberally wherever you can. Praise will usually calm anger quicker than anything else. Don' t carry grudges and do your best to keep others from nursing grudges against you. When you've had trouble with people don't hesitate to make the first move toward apologizing.
Most people are more than willing to let bygones be bygones.
More often than not, he'll own up to his share of the blame. Show how their interests have been considered. Some of thme require a lot more supervision than others. A good leader changes his tactics to fit the individual. Show interest by frequently checking on their progress.