A scrum master focuses on helping the team achieve their set goal by ensuring the project goes smoothly. As a scrum master, you deliver your responsibilities alongside business analyst and developers.
While the business analyst focuses on the backlog, stakeholders and customer needs, you would focus on the team and their deliverables. One benefit of this collaboration would be the ability to function in both roles respectively in different situation.
As a Business analyst, I possess the skills to deliver value to stakeholder through elicitation while aligning to the business needs in the immediate and future
The Product owner understands the customer's requirements, aligning it with business value and ensure that they are met.
User researchers plan, design and carry out research activities with users that help teams get a deep understanding of the people that use the organization's services.