You can add new users in your Expression Engine Control Panel if there will be multiple people working on your website.
1. Login to your Expression Engine Control Panel 2. Click the Admin tab 3. Click Members and Groups 4. Click Register a New Member 5. Fill in the required fields and assign a 'Member Group Assignment' (security group) 6. Click Submit
You will then be taken to a list of all users, where you should see the newly created account listed.