Goal: 
Answer questions, provide suggestions and resources to another user in a forum setting such as Drupal Support Forums or Drupal Answers (on Stack Exchange).
Skills required: 
Providing support
Background and reference information: 
Tips for providing support
Detailed steps: 

For Drupal Forums:

  1. Set up prerequisites: Log in from Common Prerequisites for Contributors.
  2. Navigate to the Support forums page.
  3. Choose a category that you have some knowledge of, such as Theming or Installing Drupal. Select the category to see a list of questions that have been posted.
  4. Select the post title of a recent question, and read the post. If you have an answer or can provide useful feedback, select "Add new comment" at the bottom, and add your reply (following the guidelines in the Reference section below).
  5. Repeat as time permits.

For Drupal Answers:

  1. Set up prerequisites: Stack Exchange account from Common Prerequisites for Contributors.
  2. Navigate to the Drupal Answers web site.
  3. Choose a tag that you have some knowledge of, such as theming or views. Click on the tag to see a list of questions that have been posted.
  4. Review questions without an accepted answer i.e. an answer that has filled box.
  5. Select the post title of a recent question without an accepted answer and read the post. Questions without an accepted answer are designated with a filled box.
  6. If you have an answer, write Your Answer and post your answer.
  7. If the question lacks focus or needs additional details, add a comment to the question.
  8. Repeat as time permits.

Note: Drupal Answers is not tied to the Drupal contribution credit system.