A writer is a person who creates texts, whether for literary works, specialist articles, screenplays or other written content. The main tasks and responsibilities of a writer include:

1. Creative writing: writers develop stories, characters and plotlines for novels, short stories, poems or screenplays. They use their imagination and creativity to create compelling narratives.
2. Technical writing: Many writers are also technical writers, creating content for scientific papers, articles or blogs. They conduct thorough research and present information clearly and concisely.
3. Revising and editing: Writers revise their texts to improve style, grammar and clarity. This may require several drafts to achieve the desired quality.
4. Research: For many writing projects, it is important to research relevant information and data to ensure the accuracy and credibility of the text.
5. Target group analysis: Writers often need to understand their target audience and adapt their writing style and content accordingly to effectively address those readers.
6. Collaboration: Some writers work with publishers, editors, agents or other authors to develop and publish their work.
7. Market research: Writers, especially in the nonfiction or fiction field, monitor trends in the book market and analyse what resonates with readers.
8. Publishing: Writers can either use traditional publishers to publish their works or they can choose to self-publish and market and distribute their books themselves.
9. Public relations: Many writers engage in public relations to promote their books. This includes book signings, interviews and social media presence.
10. Continuing education: Writers engage in continuing education to improve their skills, learn new writing techniques and keep up to date with trends in literature and writing.

Overall, a writer plays a crucial role in the creative industry, providing entertainment, knowledge and inspiration through their writing.