A quality is part of our personality that comes naturally to us. For example, you might think of one of your friends as 'always being generous'. This means being generous is a characteristic or quality that a person has.
While a skill is defined as a learned capability. A skill is not necessarily something we are born able to do, but it can be learnt. For example: Being able to communicate clearly is a skill that we learn to do which takes years of practise.
So what are good leadership qualities in supervisors?