This is the 12413th most frequent Portuguese word.
sociólogo
A sociologist; a specialist who studies society and social behavior.
Here, 'sociólogo' is used as a noun referring to an individual specializing in sociology who has engaged in academic research or study.
O sociólogo apresentou uma teoria interessante sobre o comportamento social.
The sociologist presented an interesting theory about social behavior.
In this sentence, 'sociólogo' describes the author of the book, contextualizing the sociologist as a writer and expert in the field of sociology.
Ela encontrou um livro escrito por um sociólogo famoso.
She found a book written by a famous sociologist.
Here, 'sociólogo' references a professional who performed academic research and provided insights or concepts based on their expertise in sociology.