A nasty teacher:
This teacher was very nasty to his/her students.
The teacher would be very rude, inconsiderate and
generally disrespectful to the students. After a
few years of teaching, the teacher suffers a
massive stroke, has more than 60% of his/her body
paralyzed and is likely to be bedridden for the
rest of his/her life.
A talented person:
This person came from a good High School, was
intelligent and had good potential. Became a
teacher after he/she graduated. Years pass and
now the person's worrying about retirement ("Not
making enough..." he/she says). Person is not
willing to study again and move on to more
gainful professions.