Opportunity is a set of circumstances that is conducive for the occurrence of an event or for the performance of a task. It can also be defined as the amount of time or a situation in which something can be done -Emeasoba George
Opportunity is synonymous with chance.
Proudness is a feeling of deep pride, pleasure and satisfaction in one's own or someone else's achievements, qualities, skills, potentials or possessions. It can also be defined as feeling pleasurable satisfaction over an act, possession, quality, or relationship by which one measures one's status or self-worth. -Emeasoba George
Proudness is synonymous with arrogance.
An exaggerated sense of one’s own value or importance. -Emeasoba George
Self-Importance is synonymous with arrogance.
Vain glory is nothing else but excessive pride, regard, trust, hope, admiration or dependence in one's own or someone else's riches, wealth, social status, family background, qualification, beauty, handsomeness or stuffs like that. Vain glory is synonymous with Vanity. -Emeasoba George
Arrogance is Vain glory personified.
Self-centeredness is defined as being preoccupied only with oneself or one's own affairs. It is more of being too interested in yourself and not caring about the needs or feelings of other people. -Emeasoba George
Self-centeredness is synonymous with self-obsession.
Fallibility is simply defined as state of being capable of making mistakes or being wrong sometimes. In other words, it is the tendency to make mistakes or to be wrong sometimes. -Emeasoba George
Fallibility is synonymous with errancy.
Mutual concession is an act of giving up one's own possessions, interests, rights, comfort or stuffs like that just to foster cooperation among two or more persons and to sustain the already existing relationship. -Emeasoba George
Mutual concession is synonymous with give-and-take.