Twitter is today the most important social media for someone who wants to build their personal brand. But growth on twitter is a pretty difficult task, especially for a beginner. You need to build a Twitter presence that will keep people interested in what you have to say. Following these simple rules will help you gain followers and build credibility.
Twitter is a very dynamic platform. If you want to reach out to people, you need to be active. Interact with your followers, engage with other people's mentions and retweets.
At the beginning, a well-known strategy is to follow smaller accounts in the hope of getting a follow back. Even when doing so, you need to make sure that your network is constitued of people who get you.
People will follow you for your expertise on a specific domain. It can be tempting to tweet about trending topics, but you have to restrain yourself, espicially when it comes to things you don't know much about. You may loose your credit.
Take your time to think about what you tweet about. Relevant content will get you further. And you don't want to overload your followers's timeline.