To dream that you have been stabbed implies that you are having difficulty dealing with a controlling issue or person. Perhaps you feel vulnerable and unworthy. You may have been deceived by someone you previously trusted.
To dream that you stab someone suggests that you tend to be overly suspicious of the motives of others. You should be a little more trusting and confident.
To dream that you are throwing a spear implies that you are using great effort and energy in order to resolve an issue or tackle a problem. It suggests that you are dedicated and willful.
To dream of a scandal indicates that you are preoccupied with the opinions of others.
To dream that a scandal has ruined your career or your family life indicates that you may be feeling some guilt, or have a sense of inadequacy when it comes to your responsibilities.
A bayonet appearing in your dream indicates your affinity for the past culture and prefer the old school.
Alternatively, dreaming of a bayonet could mean that you should get more personal and try to tackle the problem yourself.